The focus of this study was the strategies used by young children between 18 and 42 months for correcting the errors they made as they attempted to nest a set of 5 seriated cups. In the process of combining the cups, the children committed numerous errors (such as putting a cup that was too large on a smaller cup), and they tried to correct the majority of those errors. Detailed examination of the children's correction attempts revealed that the strategies they used changed substantially with… CONTINUE READING